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Added caching of extension icons

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This commit is contained in:
Igor Timofeev 2019-01-25 20:52:36 +03:00
parent a7de123d7e
commit d26d6d246f
1 changed files with 24 additions and 20 deletions
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42
Libraries/System.lua
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@ -15,7 +15,6 @@ local system = {}
local iconImageWidth = 8
local iconImageHeight = 4
local iconCache = {}
local bootUptime = computer.uptime()
local dateUptime = bootUptime
@ -41,6 +40,15 @@ local desktopBackgroundWallpaper
local desktopBackgroundWallpaperX
local desktopBackgroundWallpaperY
-- Caching commonly used icons
local iconCache = {
archive = image.load(paths.system.icons .. "Archive.pic"),
directory = image.load(paths.system.icons .. "Folder.pic"),
fileNotExists = image.load(paths.system.icons .. "FileNotExists.pic"),
application = image.load(paths.system.icons .. "Application.pic"),
script = image.load(paths.system.icons .. "Script.pic"),
}
--------------------------------------------------------------------------------
-- Returns real timestamp in seconds
@ -365,14 +373,6 @@ function system.updateIconProperties()
computer.pushSignal("system", "updateFileList")
end
function system.cacheIcon(name, path)
if not iconCache[name] then
iconCache[name] = image.load(path)
end
return iconCache[name]
end
local function drawSelection(x, y, width, height, color, transparency)
screen.drawText(x, y, color, string.rep("▄", width), transparency)
screen.drawText(x, y + height - 1, color, string.rep("▀", width), transparency)
@ -533,10 +533,20 @@ local function iconAnalyseExtension(icon, launchers)
icon.image = iconCache.archive
icon.launch = launchers.archive
elseif userSettings.extensions[icon.extension] then
icon.image =
if iconCache[icon.extension] then
icon.image = iconCache[icon.extension]
else
local picture =
image.load(userSettings.extensions[icon.extension] .. "Extensions/" .. icon.extension .. "/Icon.pic") or
image.load(userSettings.extensions[icon.extension] .. "Icon.pic") or
iconCache.fileNotExists
image.load(userSettings.extensions[icon.extension] .. "Icon.pic")
if picture then
iconCache[icon.extension] = picture
icon.image = picture
else
icon.image = iconCache.fileNotExists
end
end
icon.launch = launchers.extension
elseif not filesystem.exists(icon.path) then
@ -844,6 +854,7 @@ local function iconOnRightClick(icon, e1, e2, e3, e4)
local function setAssociation(path)
userSettings.extensions[icon.extension] = path
iconCache[icon.extension] = nil
icon:analyseExtension(icon.parent.parent.launchers)
icon:launch()
workspace:draw()
@ -2668,13 +2679,6 @@ filesystem.write(temporaryPath, "")
bootRealTime = math.floor(filesystem.lastModified(temporaryPath) / 1000)
filesystem.remove(temporaryPath)
-- Caching commonly used icons
system.cacheIcon("archive", paths.system.icons .. "Archive.pic")
system.cacheIcon("directory", paths.system.icons .. "Folder.pic")
system.cacheIcon("fileNotExists", paths.system.icons .. "FileNotExists.pic")
system.cacheIcon("application", paths.system.icons .. "Application.pic")
system.cacheIcon("script", paths.system.icons .. "Script.pic")
--------------------------------------------------------------------------------
return system